electrostatic deflection

简明释义

静电偏转

英英释义

例句

1.The principle of electrostatic deflection is utilized in mass spectrometry to separate ions based on their charge-to-mass ratio.

在质谱法中，利用静电偏转原理根据离子的电荷与质量比进行分离。

2.In modern oscilloscopes, electrostatic deflection is essential for displaying waveforms accurately.

在现代示波器中，静电偏转对于准确显示波形至关重要。

3.The use of electrostatic deflection in cathode ray tubes allows for precise control of the electron beam.

在阴极射线管中使用静电偏转可以精确控制电子束。

4.Researchers are exploring electrostatic deflection techniques to improve particle beam steering in accelerators.

研究人员正在探索静电偏转技术，以改善加速器中的粒子束引导。

5.A thorough understanding of electrostatic deflection is necessary for designing efficient display screens.

设计高效显示屏时，需要对静电偏转有透彻的理解。

作文

Electrostatics is a branch of physics that deals with the study of electric charges at rest. One of the fascinating applications of electrostatics is the phenomenon known as electrostatic deflection, which refers to the change in the trajectory of charged particles due to the influence of electric fields. This concept is particularly significant in various fields such as particle physics, mass spectrometry, and even in the functioning of certain types of displays. In this essay, we will explore the principles behind electrostatic deflection and its practical applications, providing a comprehensive understanding of this intriguing topic.To begin with, let’s break down the term electrostatic deflection. The word 'electrostatic' pertains to stationary electric charges, while 'deflection' indicates a change in direction. When charged particles, such as electrons or ions, pass through an electric field, they experience a force that alters their path. This force arises from the interaction between the electric field and the electric charge of the particles. The magnitude of the deflection depends on several factors, including the strength of the electric field, the charge of the particles, and their initial velocity.One of the most common uses of electrostatic deflection is in mass spectrometry, a technique used to identify the composition of chemical substances. In mass spectrometers, ions are generated from the sample and accelerated through an electric field. As these ions enter a region where another electric field is present, they undergo electrostatic deflection, which causes them to follow different paths based on their mass-to-charge ratio. By measuring the degree of deflection, scientists can determine the mass of the ions and consequently deduce the identity of the compounds present in the sample.Furthermore, electrostatic deflection plays a crucial role in the development of cathode ray tubes (CRTs), which were widely used in older television sets and computer monitors. In CRTs, a beam of electrons is emitted from a cathode and directed towards a phosphorescent screen. By applying electric fields, manufacturers can control the path of the electron beam through electrostatic deflection, allowing for the accurate display of images. Although modern technology has largely replaced CRTs with LCDs and LEDs, the principles of electrostatic deflection remain foundational in understanding how these devices operate.In addition to these applications, electrostatic deflection is also utilized in research settings, particularly in particle accelerators. These facilities accelerate charged particles to high speeds and direct them toward targets for collision experiments. The ability to manipulate the trajectory of these particles using electrostatic deflection is essential for achieving precise collisions and obtaining valuable data about fundamental particles and forces.In conclusion, electrostatic deflection is a fundamental concept in the field of electrostatics with wide-ranging applications in science and technology. From mass spectrometry to the operation of cathode ray tubes and particle accelerators, the ability to control the movement of charged particles through electric fields is crucial for advancing our understanding of the physical world. By grasping the principles of electrostatic deflection, students and researchers alike can appreciate the intricate connections between theory and practical application in the realm of physics. As technology continues to evolve, the relevance of this phenomenon will likely persist, paving the way for new innovations and discoveries in various scientific disciplines.

静电学是物理学的一个分支，研究静止电荷的行为。其中一个迷人的应用是被称为静电偏转的现象，它指的是由于电场的影响而导致带电粒子的轨迹发生变化。这个概念在粒子物理学、质谱分析，甚至某些类型显示器的功能中都具有重要意义。在这篇文章中，我们将探讨静电偏转背后的原理及其实际应用，从而全面理解这一引人入胜的话题。首先，让我们分解一下术语静电偏转。‘静电’一词与静止的电荷有关，而‘偏转’则表示方向的变化。当带电粒子（如电子或离子）通过电场时，它们会受到一种力的作用，这种力会改变它们的路径。这种力源于电场与粒子的电荷之间的相互作用。偏转的大小取决于几个因素，包括电场的强度、粒子的电荷和它们的初始速度。静电偏转最常见的用途之一是在质谱分析中，这是一种用于识别化学物质组成的技术。在质谱仪中，样品中的离子被生成并通过电场加速。当这些离子进入另一个电场存在的区域时，它们会经历静电偏转，这使得它们根据质量与电荷比的不同而沿着不同的路径移动。通过测量偏转的程度，科学家可以确定离子的质量，从而推断样品中存在的化合物的身份。此外，静电偏转在阴极射线管（CRT）的发展中也起着至关重要的作用，CRT曾广泛用于旧式电视机和计算机显示器。在CRT中，一束电子从阴极发射并指向荧光屏。通过施加电场，制造商可以利用静电偏转来控制电子束的路径，从而准确显示图像。尽管现代技术已在很大程度上用LCD和LED替代了CRT，但静电偏转的原理仍然是理解这些设备如何工作的基础。除了这些应用之外，静电偏转还在研究环境中被用于粒子加速器。这些设施将带电粒子加速到高速，并将其定向冲击目标进行碰撞实验。利用静电偏转操纵这些粒子的轨迹的能力，对于实现精确碰撞和获取关于基本粒子和力的宝贵数据至关重要。总之，静电偏转是电学领域的一个基本概念，在科学和技术中具有广泛的应用。从质谱分析到阴极射线管的操作以及粒子加速器，控制带电粒子通过电场的运动能力对于推动我们对物理世界的理解至关重要。通过掌握静电偏转的原理，学生和研究人员都可以欣赏到理论与实践应用之间的复杂联系。随着技术的不断发展，这一现象的相关性可能会持续存在，为各个科学学科的新创新和发现铺平道路。